var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var ejs =require('ejs');
var index = require('./routes/index');
var users = require('./routes/users');
var login = require('./routes/login.js');
var home = require('./routes/home.js')

var md5=require('./tools/md5.js');

var app = express();

// app.all('*', (req, res, next) => {
//   const origin = req.headers.origin;
//   res.header('Access-Control-Allow-Origin', origin);
//   res.header('Access-Control-Expose-Headers', 'Set-Cookie');
//   res.header('Access-Control-Allow-Headers',  'Content-Type,withCredentials,hasLogin,studentNumber, Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild');
//   res.header('Access-Control-Allow-Credentials', 'true');
//   res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, OPTIONS, DELETE');

//   next();
// });


// view engine setup
app.set('views', path.join(__dirname, 'dist'));
app.engine('.html',ejs.__express);
app.set('view engine', 'html');

app.use(express.static(path.join(__dirname, 'dist'))) 

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
// app.use(express.static(path.join(__dirname, 'public')));


app.all('*', (req, res, next) => {
  const origin = req.headers.origin;
  res.header('Access-Control-Allow-Origin', origin);
  res.header('Access-Control-Expose-Headers', 'Set-Cookie');
  res.header('Access-Control-Allow-Headers',  'Content-Type,withCredentials,Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild');
  res.header('Access-Control-Allow-Credentials', 'true');
  res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, OPTIONS, DELETE');
  res.header('Access-Control-Max-Age', '1728000');

  let url = req.originalUrl;
  let hasLogin=req.cookies.hasLogin;
  let studentNumber=req.cookies.studentNumber;
  // console.log("----------------------");
  // console.log(hasLogin);
  // console.log(studentNumber)
  // console.log(url)
  console.log(url != "/login")
 //  if (url != "/login") {
 //    if (hasLogin!=md5(1)) {
 //      // res.cookie('hasLogin', md5(0), { expires: new Date(Date.now() + 10000 * 60 * 60 * 24 * 7) });
 //      next();
 //    }else{
 //      if (studentNumber=='') {
 //        // res.cookie('hasLogin', md5(0), { expires: new Date(Date.now() - 10000 * 60 * 60 * 24 * 7) });
 //        res.json({
 //          status:0,
 //          msg:'',
 //          result:'',
 //        })
 //        next();
 //      }else{
 //       next();
 //     }
 //     next();
 //   }
 // }
 next();
});


app.use('/', index);
app.use('/users', users);
app.use('/login', login);
app.use('/home', home);


// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});



module.exports = app;
